USER        PID ACCESS COMMAND
/dev/snd/controlC3:  casa       1802 F.... pulseaudio
/dev/snd/controlC1:  casa       1802 F.... pulseaudio
/dev/snd/controlC4:  casa       1802 F.... pulseaudio
/dev/snd/controlC2:  casa       1802 F.... pulseaudio
/dev/snd/controlC0:  casa       1802 F.... pulseaudio